<!DOCTYPE html>
<html lang="en">
  <head>
    <title></title>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <link rel="stylesheet" href="./flex.css">
  </head>
  <body>
    <div class="box-1">
      <div class="box1">justify-content: flex-start;</div>
      <div class="box1"></div>
      <div class="box1"></div>
      <div class="box1"></div>
    </div>
    <div style="background-color: blue; width: 100vw; height: 3px"></div>
    <div class="box-2">
      <div class="box2">justify-content: flex-end;</div>
      <div class="box2"></div>
      <div class="box2"></div>
      <div class="box2"></div>
    </div>
    <div style="background-color: blue; width: 100vw; height: 3px"></div>
    <div class="box-3">
      <div class="box3">justify-content: center;</div>
      <div class="box3"></div>
      <div class="box3"></div>
      <div class="box3"></div>
    </div>
    %
    <div style="background-color: blue; width: 100vw; height: 3px"></div>
    <div class="box-4">
      <div class="box4">justify-content: space-between;</div>
      <div class="box4"></div>
      <div class="box4"></div>
      <div class="box4"></div>
    </div>
    <div style="background-color: blue; width: 100vw; height: 3px"></div>
    <div class="box-5">
      <div class="box5">justify-content: space-around;</div>
      <div class="box5"></div>
      <div class="box5"></div>
      <div class="box5"></div>
    </div>
    <div style="background-color: blue; width: 100vw; height: 3px"></div>
    <div id="main1">
      <div style="background-color: coral">A</div>
      <div style="background-color: lightblue">B</div>
      <div style="background-color: khaki">C</div>
      <div style="background-color: pink">D</div>
      <div style="background-color: lightgrey">E</div>
    </div>
    <div id="main3">
      <div style="background-color: coral">A</div>
      <div style="background-color: lightblue">B</div>
      <div style="background-color: khaki">C</div>
      <div style="background-color: pink">D</div>
      <div style="background-color: lightgrey">E</div>
    </div>
    <div id="main2" style="background-color: red">
      <div style="background-color: coral">A</div>
      <div style="background-color: lightblue">B</div>
      <div style="background-color: khaki">C</div>
      <div style="background-color: pink">D</div>
      <div style="background-color: lightgrey">E</div>
      <div style="background-color: coral">A</div>
      <div style="background-color: lightblue">B</div>
      <div style="background-color: khaki">C</div>
      <div style="background-color: pink">D</div>
      <div style="background-color: lightgrey">E</div>
    </div>
    <div style="background-color: blue; width: 100vw; height: 3px"></div>
    <div  class= 'box-abc'>
      <div class="abc">
        <div class="dd"></div>
      </div>
      <div class="abc">
        <div class="dd"></div>
        <div class="dd"></div>
      </div>
      <div class="abc">
        <div class="dd"></div>
        <div class="dd"></div>
        <div class="dd"></div>
      </div>
      <div class="abc">
        <div class="dd-1">
          <div class="dd"></div>
          <div class="dd"></div>
        </div>
        <div class="dd-1">
          <div class="dd"></div>
          <div class="dd"></div>
        </div>
      </div>
      <div class="abc">
        <div class="dd-1">
          <div class="dd"></div>
          <div class="dd"></div>
        </div>
        <div class="dd-1">
          <div class="dd"></div>
        </div>
        <div class="dd-1">
          <div class="dd"></div>
          <div class="dd"></div>
        </div>
      </div>
      <div class="abc">
        <div class="dd-1">
          <div class="dd"></div>
          <div class="dd"></div>
        </div>
        <div class="dd-1">
          <div class="dd"></div>
          <div class="dd"></div>
        </div>
        <div class="dd-1">
          <div class="dd"></div>
          <div class="dd"></div>
        </div>
      </div>
    </div>
    <div style="background-color: blue; width: 100vw; height: 3px"></div>
    <div id="ma">
      <div style="background-color:coral;">111</div>
      <div style="background-color:lightblue;">222sd2</div>
      <div style="background-color:khaki;">ilovefishc.com 我爱鱼C ilovefishc.com</div>
    </div>
  </body>
</html>
